Developer Guides
Practical explanations for data formats, encoding, tokens, timestamps, hashing and browser-safe developer workflows.
Base64 Encoding vs Encryption
Learn why Base64 is reversible encoding, not security, with practical examples for APIs, data URIs and debugging.
SHA-256, SHA-512 and Common Hashing Algorithms Explained
Understand common SHA hash algorithms, checksum use cases and why fast hashes are not password storage algorithms.
URL Encoding Explained With Practical Examples
Understand percent encoding for query strings, redirect URLs and API parameters, with examples developers actually encounter.
How JWT Tokens Are Structured
Understand JWT header, payload and signature sections, plus why decoding a JWT is not the same as verifying it.
Unix Timestamps in JavaScript
Convert between Unix seconds, JavaScript milliseconds and readable dates without mixing up timestamp units.
How HTML Entities Prevent Broken Markup
Learn how HTML entities let developers show reserved characters safely inside markup, templates and documentation.
JSON vs YAML: Differences and When to Use Each
Compare JSON and YAML for APIs, configuration, documentation and developer tooling, with practical examples and conversion notes.
How to Convert Nested JSON to CSV Safely
Learn what happens when nested JSON becomes CSV, where data can be lost, and how to prepare API records for spreadsheet workflows.